Effect of Nutrients on Laying Rate,Egg Quality,Blood Biochemical Indices and Certain Mineral Elements of Laying Hens under Free Range System
ZHANG Xin-yue, QI Chao, ZHAO Hai-xia, JIN Xiao-tong, GUO Ming-xin, HUA Jing, ZHANG Shu-ping
. 2015, (5): 1158 -1165 .  DOI: 10.16431/j.cnki.1671-7236.2015.05.019